Home / 9,087,908,141.40-13,631,862,212.10-8,138,967,091.80

Finding the Fourth Proportional to 9,087,908,141.40, 13,631,862,212.10 and 8,138,967,091.80

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Solution

The fourth proportional to 9,087,908,141.40, 13,631,862,212.10 and 8,138,967,091.80 is: 12,208,450,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087,908,141.40 : 13,631,862,212.10 = 8,138,967,091.80 : x
  2. Step 2: Convert to fraction form
    9,087,908,141.40/13,631,862,212.10 = 8,138,967,091.80/x
  3. Step 3: Cross multiply
    9,087,908,141.40x = 13,631,862,212.10 × 8,138,967,091.80
  4. Step 4: Simplify right side
    9,087,908,141.40x = 110,949,277,944,233,852,928
  5. Step 5: Solve for x
    x = 110,949,277,944,233,852,928/9,087,908,141.40
  6. Step 6: Final answer
    x = 12,208,450,637.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.